Bluetooth V4.1 with 2*5W Drivers & Bass Radiator: Connection range is up to 33 feet/10 meters, compatible with every device that supports bluetooth technology.</br>Super bass</br>Dustproof ,shockproof, Water-resistance, , rugged design for outdoor activities.</br>Built in Mic for hands free speakerphone;Micro TF card MP3 Player; AUX "Line-In" cord.</br>Broad Compatibility: Easy connect to Computer, Laptop, Tablets, iMac/iPhone/iPad/iPod, Blackberry, Nexus, Samsung and other Smart Phones via Wireless Bluetooth or 3.5mm Audio Cable. Monstercube Bluetooth Speakers include Unconditional 60 days refund or replacement, 18 months worry-free warranty, free lifetime technical support and friendly customer service.</br></br>Product Description</br></br><b>Bluetooth Speaker Function</b><br> Powerful Monstercube Flyer Bluetooth Wireless Speaker: Provides Strong Bass and Loud Sound with Built-in 5W*2 Speaker Drivers & Bass Radiator. Well-balanced Sound Profile Featuring a Rich Bass that Can Fill Any Room, also suitable for Outdoors.<br> This device wirelessly connects via Bluetooth V4.1 Technology at a distance up to 32 feet/10 meters. Works with any Bluetooth-enabled devices.<br> <br> <b>Handy and Portable</b><br><br> Portable and suitable features guarantee better user experience when playing music in outdoor hiking/biking. Additionally, comes with a pouch and hand strap, it's very convenient to carry this speaker everywhere.<br> <br> <b>Rechargeable Li Battery </b><br> Up to 15 Hours Battery Life on A Single Charge. Enjoy Your Music at Full Volum e for 3 Hours Outdoor; Share Your Playlist at 75% Volume for 10 Hours On The Party; Enjoy Your Favorite Tune at 50% Volume for 15 Hours By Yourself. 3 Hours to Full Charge.<br> <br> <b>Powerful Performance </b> <br> 2*5W total acoustic drivers produce high definition audio and clarity while the newly designed passive radiator could provide strong bass without distortion even at highest volume.<br> <br> <b>Hands-Free Calling</b><br> Built-in microphone, its hands-free calling function provides you worry free about picking up your phone when sporting.<br> <br> <b>Warranty</b><br> Unconditional 60 days refund or replacement & 18-month worry-free guarantee!<br> <br> <b>What's in the box</b><br> - Monstercube Flyer Bluetooth Speaker<br> - 3.5mm Audio cable<br> - Micro USB charging cable<br> - Quick start mannual<br> - Leather strap<br></br><br/>http://www.amazon.com/gp/product/B01AD5FDH6